Likely a blended variant of Caleb and Jacob or similar names, centered on the Hebrew Caleb tradition.
Caleob appears to be a blended modern form built around the Hebrew Caleb tradition, with possible influence from names like Jacob. That means it sits near a very old biblical naming stream while still feeling freshly assembled.
Caleb itself has long carried associations of devotion and steadfastness, so Caleob inherits some of that strength even in its inventive spelling. The name sounds familiar without being common, which is often the sweet spot for contemporary coined names. It has a biblical backbone, but the extra vowel pattern gives it a slightly softer and more elaborated cadence.
Caleob feels like a name that wants both heritage and individuality, keeping the gravity of the source while shifting the sound into modern territory. It is inventive, but not rootless.